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How CCW and RCW is working?

Answer Posted / Rajesh Dhapodkar

CCW (COM Callable Wrapper) and RCW (Runtime Callable Wrapper) are used for interoperability between COM components and .NET Framework.

- CCW: When a COM component calls a .NET method, the runtime creates a CCW object that represents the .NET object to the COM world. The CCW handles marshaling of data between the two systems.

- RCW: When a .NET component needs to call a COM method, an RCW object is created by the runtime. This RCW acts as a bridge between the .NET and COM components.

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